Subscriber additions help DirecTV beat profit estimates

(Reuters) - DirecTV, the No.1 U.S. satellite TV company, reported a quarterly profit above analysts' estimates as it added more subscribers than expected, helped by its exclusive Sunday NFL broadcasts. "This year's price increase is one of the highest in our history," CFO Patrick Doyle said on a conference call. Average revenue per U.S. user rose to $117.30 from $111.74 in the fourth quarter ended Dec. 31, DirecTV said on Thursday. The Sunday games package gives DirecTV an ed